20300311775 has 24 divisors (see below), whose sum is σ = 25920674304. Its totient is φ = 15759792000.

The previous prime is 20300311763. The next prime is 20300311789. The reversal of 20300311775 is 57711300302.

It is not a de Polignac number, because 20300311775 - 2¹⁸ = 20300049631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 325625 + ... + 382925.

It is an arithmetic number, because the mean of its divisors is an integer number (1080028096).

Almost surely, 2^20300311775 is an apocalyptic number.

20300311775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20300311775 is a deficient number, since it is larger than the sum of its proper divisors (5620362529).

20300311775 is a wasteful number, since it uses less digits than its factorization.

20300311775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57731 (or 57726 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 29.

The spelling of 20300311775 in words is "twenty billion, three hundred million, three hundred eleven thousand, seven hundred seventy-five".